Here is the full list of all 32 The Last Case of Benedict Fox achievements.
Watch all the cutscenes without skipping them
Finish the game
Defeat Tomas
Defeat the Mirage
Unlock all the anchors
Catch an enemy into a trap
Listen to all the shellac disks
Defeat the Old Spider
Find all the notes for the Conundrum Device
Fully upgrade your character
Jump to the secret place
Fully upgrade all the items
Clear out all the camps
Open the 7-element kogai door
Slow an enemy down
Open a kogai door
Knock an enemy down with a slide
Defeat the Loneliness
Fully unlock the Conundrum Device
Fully upgrade one item
Use a smoke bomb
Clear out the first camp
Buy everything from the shop
Slam through the floor
Get the first tattoo
Rescue the Tattooist
Buy the first upgrade
Defeat the Librarian
Unlock the first anchor
Dive into the memories
Find the first collectible
Complete the tutorial